diff --git a/_sass/_base.scss b/_sass/_base.scss
index 5f894ec..9d060d7 100644
--- a/_sass/_base.scss
+++ b/_sass/_base.scss
@@ -35,6 +35,12 @@ boldtext {
   font-weight: 500;  
 }
 
+
+.rel-1z {
+  position: relative;
+  z-index: 1;
+}
+
 // Math
 
 .equation {